Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the middle term in the expansion of
(
3
x
−
x
3
6
)
9
\left( 3x - \frac{x^3}{6} \right)^9
(
3
x
−
6
x
3
)
9
.
Browse the problem library